Three is the starting point and End point is 5 .

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Soil Improvement


Improvement is the basic law , principle and requirement of nature and structures (Both civil structures and civil society structures i.e. human beings )
from any point of view , for the well-being of all the three, improvement of soil is required as we want to have a safe, efficient, durable and economical structure.


The simplest method to solve a triangle is to adjust only one angle(on directional basis). For improvement of soil, we need to control/adjust either solids content or air or water contents. Control of one factor will ultimately lead to adjustment of other 2 factors.
GO FOR W, the most versatile and potent English letter
W=Water
W=Wood
To control water (as well as air & solids also) SIMPLY GROW TREES around boundary line of property as per proper orientation.


Benefits-

Zone-1 Sub-Surface
Roots of trees &plants will arrest the downward movement of water i.e. depletion of water table.
They will act as shock absorber in case of earthquakes.
Major problem of soil erosion can be checked.


Conclusion:
Tree and plants are helpful in improving almost all aspects of a structure . By adopting this approach all five fundamental conditions of safety , efficiency, durability, aesthetism and economics will be satisfied with minimum efforts.
In the nutshell , this approach means improvement
for the people.
of the people and finally
by the peepal/people/pupil.